M 4.9 in Japan on 21 Oct 2016 18:33 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 4.9M
Depth: 53.53 Km
Lat/Lon: 32.7466 , 131.8559
Event Date: 21 Oct 2016 18:33 UTC
22 Oct 2016 03:33 Local
Exposed Population:
1605774 people within 100km
Source: NEIC us20007fz9
Inserted at: 21 Oct 2016 20:09 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us20007fz9 Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1143601 0 21 Oct 2016 18:33 4.9M, 53.53km N/A 1.6 million (in 100km) 01:35 NEIC
1143637 0 21 Oct 2016 18:33 4.9M, 48.71km N/A 1.6 million (in 100km) 21:05 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Japan , Region of Kyushu (population 13,296,000) . The nearest places are Maruichibi, Miyanoura, Kamae, Kamaeura, Kawachina, Shimoaka, Senzoku, Urashiro, Okora, Saiki, and Kobutoko.

Radius Population
100 km 2 million people
75 km 1.2 million people
50 km 410000 people
20 km 20000 people
10 km 7200 people
5 km 1300 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Kyushu Japan 13.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Maruichibi Oita Japan Village - 5 km
Miyanoura Miyazaki Japan Village - 6 km
Kamae Oita Japan Village - 8 km
Kamaeura Oita Japan Village - 14 km
Kawachina Miyazaki Japan Village - 17 km
Shimoaka Miyazaki Japan Village - 20 km
Senzoku Oita Japan Village - 20 km
Urashiro Oita Japan Village - 22 km
Okora Oita Japan Village - 23 km
Saiki Oita Japan City 48000 people 24 km
Onoichi Oita Japan Village - 25 km
Uematsu Oita Japan Village - 25 km
Nobeoka Miyazaki Japan City 120000 people 26 km
Katsura Oita Japan Village - 27 km
Tsurumi-zaki Oita Japan Village - 29 km
Skinkiura Oita Japan Village - 30 km
Taina Miyazaki Japan Village - 32 km
Amamui Oita Japan Village - 34 km
Mie Oita Japan Village - 36 km
Kami-ochidani Oita Japan Village - 36 km
Kadogawa Miyazaki Japan Village - 37 km
Hotojima Oita Japan Village - 37 km
Kamikawa Miyazaki Japan Village - 38 km
Makiguchi Oita Japan Village - 41 km
Inukai Oita Japan Village - 41 km
Usuki Oita Japan Village 35000 people 41 km
Koharu Oita Japan Village - 43 km
Hinokage Miyazaki Japan Village - 44 km
Tanaka Oita Japan Village - 46 km
Sashioi Oita Japan Village - 47 km
Asaji Oita Japan Village - 48 km
Taketa Oita Japan Village 16000 people 49 km
Uwaura Oita Japan Village - 50 km
Naka-hetsugi Oita Japan Village - 51 km
Mitai Miyazaki Japan Village - 51 km
Mimitsu Miyazaki Japan Village - 52 km
Tashiro Miyazaki Japan Village - 53 km
Tsurusaki Oita Japan City - 54 km
Sakanoichi Oita Japan Village - 54 km
Tabaru Oita Japan Village - 54 km
Tsukabaru Miyazaki Japan Village - 55 km
Saganoseki Oita Japan City - 55 km
Niida Oita Japan Village - 57 km
Kusakabe Miyazaki Japan Village - 57 km
Nakasaki Miyazaki Japan Village - 58 km
Oita Oita Japan Major city 420000 people 59 km
Kobarui Miyazaki Japan Village - 60 km
Kuju Oita Japan Village - 60 km
Ajiro Ehime Japan Village - 60 km
Onoya Oita Japan Village - 62 km
Tsuno Miyazaki Japan Village - 62 km
Mikado Miyazaki Japan Village - 64 km
Fukura Ehime Japan Village - 64 km
Funakoshi Ehime Japan Village - 64 km
Hoso Miyazaki Japan Village - 66 km
Kashiwa Ehime Japan Village - 66 km
Hirose Kochi Japan Village - 66 km
Mamihara Miyazaki Japan Village - 66 km
Beppu Oita Japan City 120000 people 67 km
Johen Ehime Japan Village - 67 km
Shono Ehime Japan Village - 68 km
Takamori Kumamoto Japan Village - 68 km
Kobutoko Miyazaki Japan Village - 69 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Beppu BPU unknown 0 69 km
Oita OIT 6 Civ. Paved Yes 9800 82 km
Nyutabaru 79 Mil. Paved Yes 8800 83 km
Kumamoto KMJ 196 Civ. Paved Yes 9800 94 km

Ports

Name LOCODE Country Distance
Nobeoka JPNOB Japan 24 km
Saiki Ko Japan 25 km
Totoro Japan 30 km
Tsukumi JPTMI Japan 37 km
Hosojima JPHSM Japan 39 km
Usuki JPUSK Japan 41 km
Saganoseki JPSAG Japan 55 km
Tsurusaki JPTSK Japan 57 km
Oita JPOIT Japan 60 km
Beppu JPBPU Japan 60 km
Misaki Japan 74 km
Hiji Japan 75 km
Kitsuki Japan 76 km
Sukumo JPSUK Japan 84 km
Uwajima JPUWA Japan 84 km
Kawanoishi Japan 94 km
Yawatahama JPYWH Japan 95 km

Dams

Reservoir Dam Name River Year Distance
Kitagawa Kitagawa Kitagawa 1962 24 km
Ishiba Ishiba Mietanigawa 1973 32 km
Ouchibaru Ouchibaru Mimigawa 1956 50 km
Saigo Saigo Mimigawa 1983 53 km
Serikawa Serikawa Serigawa 1956 59 km
Tsukabaru Tsukabaru Mimigawa 1938 59 km
Dokawa Dokawa Dokawa 1955 65 km
Yamashitaike Yamashitaike Kuramotogawa 1918 72 km
Nyuugashiibako Kamishiiba Mimigawa 1955 74 km
Amagatanichosuichi Jizobaru Jizobarugawa 1922 77 km
Hitotsuse Hitotsuse Hitotsusegawa 1963 79 km
Aki Aki Akigawa 1971 85 km
Hisashi Hisashi Yamakuragawa 1969 86 km
Tachibana Tachibana Jarogawa 1963 88 km
Hiju Hiju Hijugawa 1968 88 km
Higomidorikawako Midorikawa Midorikawa 1970 90 km
Ichifusa Ichifusa Kumagawa 1959 92 km
Hachinosuko Shimouke Tsuegawa 1972 94 km
Fukasako Fukasako Fukasakogawa 1974 95 km
Asagiriko Nomura Hijigawa 1981 99 km

Nuclear plants

Name Country Reactors Distance
IKATA JAPAN 3 92 km

More information

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